A couple thoughts.
Fujimi has done limited issue resin kits. It is a bit of "put your money where your mouth is", do you want a model of that car that bad.
The other is...
I keep getting e-mails from injection molding outfits in China. Now, i've never followed up on these, but i think you could come up with a joint venture of some sort. Heck, you could be the next 'tamiya'.